The table below shows the scores on a math test.
David
75
Aaron
75
Ashley
60
Gina
75
Andrew
75
Kei
95
Monica
100
Anna
60
Lucas
75
Jennifer
65
The number of standard deviations between a score and the mean score is indicated by a z-score. What was Ashley's z-score on the math test?
a.
1.1
c.
-1.1
b.
60
d.
-15.5
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